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King Oswiu Causes Britain to Embrace the Mainstream of Christianity (664)

King Oswiu (View Larger)

At the Synod of Whitby held at St. Hild's monastery in Whitby, England, to resolve disputes between the "Roman" church founded by Augustine and the "Celtic" church founded by Columba, King Oswiu of Northumbia decided in favor of the Roman church, ruling that his kingdom would calculate Easter and observe the monastic tonsure according to the customs of Rome, rather than the customs practiced by Iona and its satellite institutions. This decision caused Britain to embrace the mainstream of Christianity.